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| Name: | Ricklefs, Chad |
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| Club: | USA Track and Field | ||
| Residence: | Boulder, CO | ||
| Year of birth: | 1967 | (Cat. german: M55) | |
| Date of birth: | 12.06.1967 | (Cat. internat.: M55) | |
| Nationality: | USA  |
United States | |
| RunnerID: | 6911 | ||
63 search results (52 Events, 4783.997 km). (More)
| 2024 | 2 Events, 187 km (More) | ||||
|---|---|---|---|---|---|
| 14.09.2024 | RUN Winschoten 100 km - open race (NED) | 100km | |||
| 10:29:54 h | Ricklefs, Chad | Overall: 43 | M: 37 | Cat M55: 2 | |
| 09.06.2024 | Comrades Marathon - Up Run (RSA) | 87km | |||
| 6:54:30 h | Ricklefs, Chad | Nedbank International | Overall: 263 | M: 244 | Cat M55: 5 |
| 2022 | 1 Event, 50 km (More) | ||||
| 22.01.2022 | Go Short, Go Long, Go Very Long 50K (USA) | 50km | |||
| 3:24:32 h | Ricklefs, Chad | *Boulder, CO | Overall: 2 | M: 2 | Cat M50: 1 |
| 2021 | 2 Events, 296 km (More) | ||||
| 24.-25.09.2021 | Spartathlon (GRE) | 246km | |||
| 32:53:50 h | Ricklefs, Chad | Overall: 59 | M: 51 | Cat M50: 8 | |
| 23.01.2021 | Go Short, Go Long, Go Very Long 50K (USA) | 50km | |||
| 3:27:46 h | Ricklefs, Chad | *Boulder, CO | Overall: 3 | M: 3 | Cat M50: 1 |
| 2019 | 2 Events, 280.789 km (More) | ||||
| 14.-15.12.2019 | Desert Solstice 24 Hour Run (USA) | 24h | |||
| 93.200 km | Ricklefs, Chad | *Boulder, CO | Overall: 19 | M: 12 | Cat M50: 1 |
| 14.-15.12.2019 | Desert Solstice 24 Hour Run - 50km Split (USA) | 50km | |||
| 4:13:36 h | Ricklefs, Chad | *Boulder, CO | Overall: 8 | M: 5 | Cat M50: 1 |
| 14.-15.12.2019 | Desert Solstice 24 Hour Run - 12h Split (USA) | 12h | |||
| 93.200 km | Ricklefs, Chad | *Boulder, CO | Overall: 19 | M: 12 | Cat M50: 1 |
| 19.-20.10.2019 | Endless Mile - 24 Hour Race (USA) | 24h | |||
| 187.589 km | Ricklefs, Chad | *Boulder, CO | Overall: 1 | M: 1 | Cat M50: 1 |
| 2018 | 1 Event, 100 km (More) | ||||
| 07.04.2018 | Mad City 100K Road Race (USA) | 100km | |||
| 8:17:02 h | Ricklefs, Chad | *Boulder | Overall: 5 | M: 4 | Cat M50: 2 |
| 2015 | 1 Event, 100 km (More) | ||||
| 30.-31.05.2015 | 100 km del Passatore, Firenze-Faenza (ITA) | 100km | |||
| 7:18:19 h | Ricklefs, Chad | USA Track and Field | Overall: 3 | M: 3 | Cat M45: 1 |
| 2013 | 3 Events, 310.934 km (More) | ||||
| 20.-21.07.2013 | Vermont 100 Mile Endurance Race (USA) | 100mi | |||
| 15:26:33 h | Ricklefs, Chad | *Boulder, CO | Overall: 2 | M: 2 | Cat M45: 1 |
| 20.04.2013 | Mad City 100K Road Race (USA) | 100km | |||
| 7:42:48 h | Ricklefs, Chad | *Boulder, CO | Overall: 2 | M: 2 | Cat M45: 1 |
| 02.02.2013 | Ray Miller 50 km Trail Race (USA) | 50km | |||
| 3:54:08 h | Ricklefs, Chad | Overall: 1 | M: 1 | Cat M45: 1 | |
| 2012 | 2 Events, 139 km (More) | ||||
| 10.11.2012 | Bootlegger 50K (USA) | 50km | |||
| 3:51:58 h | Ricklefs, Chad | *Boulder, CO | Overall: 3 | M: 3 | Cat M45: 1 |
| 03.06.2012 | Comrades Marathon - Down Run (RSA) | 89km | |||
| 6:09:34 h | Ricklefs, Chad | Nedbank Running Club International | Overall: 50 | M: 48 | Cat M40: 11 |
| 2011 | 2 Events, 200 km (More) | ||||
| 10.09.2011 | IAU 100km WC (RUN Winschoten 100 km) (NED) | 100km | |||
| 7:05:53 h | Ricklefs, Chad | Nationalteam USA | Overall: 11 | M: 11 | Cat M40: 2 |
| 10.09.2011 | RUN Winschoten 100 km - 50km Split (NED) | 50km | |||
| 3:22:46 h | Ricklefs, Chad | *Boulder, CO | Overall: 11 | M: 11 | Cat M40: 2 |
| 10.09.2011 | RUN Winschoten 100 km (NED) | 100km | |||
| 7:05:53 h | Ricklefs, Chad | *Boulder, CO | Overall: 11 | M: 11 | Cat M40: 2 |
| 10.09.2011 | WMA 100km WC (RUN Winschoten 100 km) (NED) | 100km | |||
| 7:05:53 h | Ricklefs, Chad | Overall: 1 | M: 1 | Cat M40: 1 | |
| 09.04.2011 | Mad City 100K Road Race (USA) | 100km | |||
| 7:09:56 h | Ricklefs, Chad | *Boulder, CO | Overall: 4 | M: 4 | Cat M40: 1 |
| 2010 | 3 Events, 300 km (More) | ||||
| 07.11.2010 | WMA 100km WC Gibraltar (GBR) | 100km | |||
| 7:01:36 h | Ricklefs, Chad | Overall: 2 | M: 2 | Cat M40: 2 | |
| 07.11.2010 | IAU 100km WC Gibraltar (GBR) | 100km | |||
| 7:01:36 h | Ricklefs, Chad | Overall: 14 | M: 14 | Cat M40: 2 | |
| 07.11.2010 | IAU/WMA 100km Gibraltar - Open race (GBR) | 100km | |||
| 7:01:36 h | Ricklefs, Chad | *Boulder, CO | Overall: 14 | M: 14 | Cat M40: 2 |
| 10.04.2010 | Mad City 100K Road Race (USA) | 100km | |||
| 7:16:52 h | Ricklefs, Chad | *Boulder CO | Overall: 3 | M: 3 | Cat M40: 1 |
| 2009 | 3 Events, 280.467 km (More) | ||||
| 21.11.2009 | JFK 50 Mile (USA) | 50mi | |||
| 6:06:51 h | Ricklefs, Chad | *Boulder, CO | Overall: 5 | M: 5 | Cat M40: 1 |
| 12.09.2009 | RUN Winschoten 100 km - 50km Split (NED) | 50km | |||
| 3:24:16 h | Ricklefs, Chad | *Boulder, CO | Overall: 3 | M: 3 | Cat M40: 2 |
| 12.09.2009 | RUN Winschoten 100 km (NED) | 100km | |||
| 7:18:44 h | Ricklefs, Chad | *Boulder, CO | Overall: 2 | M: 2 | Cat M40: 2 |
| 19.-20.06.2009 | IAU 100km WC Torhout (30. Nacht van West-Vlaanderen) - 50mi split (BEL) | 50mi | |||
| 7:02:26 h | Ricklefs, Chad | Overall: 109 | M: 87 | Cat M40: 23 | |
| 19.-20.06.2009 | IAU 100km WC Torhout (30. Nacht van West-Vlaanderen) (BEL) | 100km | |||
| 8:17:29 h | Ricklefs, Chad | Nationalteam United Staates | Overall: 61 | M: 51 | Cat M40: 14 |
| 2007 | 1 Event, 100 km (More) | ||||
| 08.09.2007 | IAU 100km WC (RUN Winschoten 100 km) (NED) | 100km | |||
| 7:01:10 h | Ricklefs, Chad | Nationalteam USA | Overall: 17 | M: 16 | Cat M40: 6 |
| 08.09.2007 | RUN Winschoten 100 km - 50km Split (NED) | 50km | |||
| 3:18:49 h | Ricklefs, Chad | Nationalteam USA | Overall: 14 | M: 14 | Cat M40: 4 |
| 08.09.2007 | RUN Winschoten 100 km (NED) | 100km | |||
| 7:01:10 h | Ricklefs, Chad | Nationalteam USA | Overall: 18 | M: 17 | Cat M40: 6 |
| 2006 | 1 Event, 100 km (More) | ||||
| 16.-17.06.2006 | IAU 100km EC Torhout (27. Nacht van Vlaanderen) (BEL) | 100km | |||
| 7:17:25 h | Ricklefs, Chad | *Boulder Colorado | Overall: 17 | M: 17 | Cat M35: 7 |
| 2004 | 4 Events, 291.401 km (More) | ||||
| 11.12.2004 | Tallahassee Ultra Distance Classic 50M (USA) | 50mi | |||
| 5:24:45 h | Ricklefs, Chad | *Boulder, CO | Overall: 1 | M: 1 | Cat M35: 1 |
| 02.10.2004 | Tussey Mountainback 50 Miler (USA) | 50mi | |||
| 5:53:37 h | Ricklefs, Chad | *Boulder, CO | Overall: 1 | M: 1 | Cat M35: 1 |
| 31.07.2004 | White River 50 Mile Trail Run (USA) | 50mi | |||
| 6:58:44 h | Ricklefs, Chad | *Boulder, CO | Overall: 3 | M: 3 | Cat M35: 1 |
| 08.05.2004 | Ice Age Trail 50 km Run (USA) | 50km | |||
| 3:23:34 h | Ricklefs, Chad | Overall: 3 | M: 3 | Cat M35: 2 | |
| 2003 | 1 Event, 80.467 km (More) | ||||
| 26.04.2003 | Zane Grey Highline Trail 50 Mile (USA) | 50mi | |||
| 8:11:44 h | Ricklefs, Chad | Overall: 1 | M: 1 | Cat M35: 1 | |
| 2002 | 3 Events, 310.934 km (More) | ||||
| 19.10.2002 | Edmund Fitzgerald 100K Road Race (USA) | 100km | |||
| 7:09:29 h | Ricklefs, Chad | *Boulder, CO | Overall: 1 | M: 1 | Cat M35: 1 |
| 17.-18.08.2002 | Leadville Trail 100 Mile (USA) | 100mi | |||
| 17:23:18 h | Ricklefs, Chad | *Boulder, CO | Overall: 1 | M: 1 | Cat M35: 1 |
| 06.04.2002 | Chicago Lakefront Spring 50km Race (USA) | 50km | |||
| 3:12:15 h | Ricklefs, Chad | *Boulder, CO | Overall: 1 | M: 1 | Cat M23: 1 |
| 2001 | 6 Events, 441.401 km (More) | ||||
| 17.11.2001 | JFK 50 Mile (USA) | 50mi | |||
| 6:00:47 h | Ricklefs, Chad | *Boulder, CO | Overall: 1 | M: 1 | Cat M23: 1 |
| 20.10.2001 | Palo Duro 50 km Trail Run (USA) | 50km | |||
| 3:35:43 h | Ricklefs, Chad | *CO | Overall: 1 | M: 1 | Cat M23: 1 |
| 05.05.2001 | Miwok 100k Trail race (USA) | 100km | |||
| 8:41:15 h | Ricklefs, Chad | *Boulder, CO | Overall: 1 | M: 1 | Cat M23: 1 |
| 07.04.2001 | American River 50 Mile Endurance Run (USA) | 50mi | |||
| 6:16:49 h | Ricklefs, Chad | Overall: 1 | M: 1 | Cat M23: 1 | |
| 10.03.2001 | Way Too Cool 50K Endurance Run (USA) | 50km | |||
| 3:44:31 h | Ricklefs, Chad | Overall: 2 | M: 2 | Cat M23: 2 | |
| 06.01.2001 | Phoenix National Trail 50 Mile Endurance Run (USA) | 50mi | |||
| 7:25:24 h | Ricklefs, Chad | *CO | Overall: 1 | M: 1 | Cat M23: 1 |
| 2000 | 10 Events, 954.67 km (More) | ||||
| 04.11.2000 | JFK 50 Mile (USA) | 50mi | |||
| 6:22:02 h | Ricklefs, Chad | *Boulder, CO | Overall: 5 | M: 5 | Cat M23: 2 |
| 08.10.2000 | Chancellor Challenge 100K Road Race - 50 km Split (USA) | 50km | |||
| 3:35:22 h | Ricklefs, Chad | *Boulder, CO | Overall: 9 | M: 9 | Cat M23: 4 |
| 08.10.2000 | Chancellor Challenge 100K Road Race (USA) | 100km | |||
| 7:41:59 h | Ricklefs, Chad | *Boulder, CO | Overall: 10 | M: 10 | Cat M23: 5 |
| 09.09.2000 | Bulldog 50k Ultra Run (USA) | 50km | |||
| 3:58:57 h | Ricklefs, Chad | Overall: 1 | M: 1 | Cat M23: 1 | |
| 19.-20.08.2000 | Leadville Trail 100 Mile (USA) | 100mi | |||
| 18:07:57 h | Ricklefs, Chad | *CO | Overall: 1 | M: 1 | Cat M23: 1 |
| 08.07.2000 | Snow Mountain Trail Challenge - 50 Miler (USA) | 50mi | |||
| 6:37:53 h | Ricklefs, Chad | Overall: 1 | M: 1 | Cat M23: 1 | |
| 03.06.2000 | Snow Peaks 50 Mile Trail Run (USA) | 50mi | |||
| 7:53:12 h | Ricklefs, Chad | *CO | Overall: 1 | M: 1 | Cat M23: 1 |
| 13.-14.05.2000 | Massanutten Mountain Trails 100 Mile (USA) | 100mi | |||
| 20:36:15 h | Ricklefs, Chad | *Boulder, CO | Overall: 2 | M: 2 | Cat M23: 2 |
| 01.04.2000 | American River 50 Mile Endurance Run (USA) | 50mi | |||
| 6:12:49 h | Ricklefs, Chad | Overall: 2 | M: 2 | Cat M23: 2 | |
| 11.03.2000 | Alfred E. Packer 50 Mile Run (USA) | 50mi | |||
| 7:35:31 h | Ricklefs, Chad | Overall: 1 | M: 1 | Cat M23: 1 | |
| 15.01.2000 | Phoenix National Trail 50 Mile Endurance Run (USA) | 50mi | |||
| 7:15:16 h | Ricklefs, Chad | *Boulder, CO | Overall: 2 | M: 2 | Cat M23: 2 |
| 1999 | 3 Events, 210.934 km (More) | ||||
| 03.10.1999 | Vermont 50 Miles Ultra Run (USA) | 50mi | |||
| 7:25:59 h | Ricklefs, Chad | *East Burke, VT | Overall: 2 | M: 2 | Cat M23: 1 |
| 14.09.1999 | Pisgah Mountain Trail Race (USA) | 50km | |||
| 4:08:57 h | Ricklefs, Chad | Overall: 1 | M: 1 | Cat M23: 1 | |
| 17.04.1999 | Bull Run Run 50 Miler (USA) | 50mi | |||
| 7:20:25 h | Ricklefs, Chad | *VT | Overall: 5 | M: 5 | Cat M23: 2 |
| 1998 | 1 Event, 50 km (More) | ||||
| 20.09.1998 | Pisgah Mountain Trail Race (USA) | 50km | |||
| 4:18:10 h | Ricklefs, Chad | Overall: 2 | M: 2 | Cat M23: 2 | |
Personal bests
Your list of personal best performances only contains performances of races which can be included into rankings.
In brackets rank in yearly international/national rankings.
| PB | 2024 | 2022 | 2021 | 2019 | 2018 | 2015 | 2013 | 2012 | 2011 | 2010 | 2009 | 2007 | 2006 | 2004 | 2003 | 2002 | 2001 | 2000 | 1999 | 1998 | |
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| 50km | 3:12:15 |
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4:13:36
(2258/83) |
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3:22:46
(269/17) |
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3:24:16
(162/10) |
3:18:49
(105/5) |
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3:12:15
(73/2) |
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3:35:22
(219/24) |
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| 50mi | 5:24:45 |
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7:02:26
(111/20) |
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5:24:45
(1/1) |
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| 100km | 7:01:10 |
10:29:54
(2011/37) |
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8:17:02
(312/7) |
7:18:19
(79/8) |
7:42:48
(132/5) |
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7:05:53
(29/7) |
7:01:36
(21/4) |
7:18:44
(46/3) |
7:01:10
(29/3) |
7:17:25
(54/4) |
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7:09:29
(45/2) |
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7:41:59
(170/10) |
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| 12h | 93.200 |
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93.200
(1166/85) |
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| 24h | 187.589 |
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187.589
(431/27) |
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Comparison table
Comparison of performances in races with multiple participations
| 2024 | 2022 | 2021 | 2019 | 2018 | 2015 | 2013 | 2012 | 2011 | 2010 | 2009 | 2007 | 2006 | 2004 | 2003 | 2002 | 2001 | 2000 | 1999 | 1998 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mad City 100K Road Race | 4 | 8:17:02 | 7:42:48 | 7:09:56 | 7:16:52 | ||||||||||||||||
| RUN Winschoten 100 km | 4 | 10:29:54 | 7:05:53 | 7:18:44 | 7:01:10 | ||||||||||||||||
| JFK 50 Mile | 3 | 6:06:51 | 6:00:47 | 6:22:02 | |||||||||||||||||
| Go Short, Go Long, Go Very Long 50K | 2 | 3:24:32 | 3:27:46 | ||||||||||||||||||
| Pisgah Mountain Trail Race | 2 | 4:08:57 | 4:18:10 | ||||||||||||||||||
| Phoenix National Trail 50 Mile Endurance Run | 2 | 7:25:24 | 7:15:16 | ||||||||||||||||||
| American River 50 Mile Endurance Run | 2 | 6:16:49 | 6:12:49 | ||||||||||||||||||
| Leadville Trail 100 Mile | 2 | 17:23:18 | 18:07:57 | ||||||||||||||||||
| Comrades Marathon - Down Run | 2 | 6:54:30 | 6:09:34 | ||||||||||||||||||
| IAU 100km EC Torhout (27. Nacht van Vlaanderen) | 2 | 8:17:29 | 7:17:25 |